package org.JieKou;

//import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
public class Kos {
    public static void main(String[] args) {
        List<Integer> Srt= Arrays.asList(1,5,3);
        /*Srt.add("cc");
        Srt.add("nsk");
        Srt.add("null");
        System.out.println(Srt.size());
        //String S01=Srt.get(2);
        System.out.println(Srt.get(2));*/
        System.out.println(Srt.contains("2"));
    }

}
